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Practice Reading: Fill in the Blanks (Dropdown)
ID: #50868
Lens
Instructions
Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate choice for each blank.
* Select the correct answer into all dropdown fields. You need to answer all questions before clicking verify button.
The lens, along with the iris and pupil, works like a camera. The lens its shape to bend and focus the light a second time, that you have a clear image of what you are looking at. It allows you to see objects both from short distances and from . The lens of water and protein, which maintain its transparency and function.
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